Pattern Cannot Be Selected - Brother NX600 Service Manual

Failure Investigation for Electronic Parts Pattern cannot be selected
Are switches on the SS-VR F2 PCB
assy. and the operation F3PCB assy.
stuck in a depressed position?
If the foot controller is connected, is it
in the depressed position?
Is the foot controller connector
correctly connected to CN15 on the
main F3D PCB assy.?
• Replace operation F3 PCB assy.
• Replace main F3D PCB assy.
5 - 4

Pattern cannot be selected

N
N
Y
or
• Adjust the assembly of SS-VR
F2 PCB assy. and the operation
F3 PCB assy.
Y
or
• Replace operation F3 PCB assy.
or
• Replace SS-VR F2 PCB assy.
Y Set the foot controller so it is
not pressed down
N
Reconnect it correctly